鏅傞枔锛�2025/5/6 21:06:37
闁辫畝锛�23
DAC7728 鏄竴娆句綆鍔熻��銆�16浣嶉浕澹撹几鍑烘暩(sh霉)妯¤綁鎻涘櫒 (DAC)锛岄噰鐢ㄥ皬鍨嬪皝瑁濊ō瑷�锛岄潪甯搁仼鍚堢┖闁撳彈闄愮殑鎳夌敤銆傝┎鍣ㄤ欢鍏х疆涓�鍊嬬墖涓婄簿瀵嗚几鍑烘斁澶у櫒锛屽彲瀵︾従(xi脿n)杌屽埌杌岃几鍑烘摵骞�锛屽緸鑰岀啊鍖栦簡绯荤当(t菕ng)瑷▓骞舵笡灏戜簡澶栭儴鍏冧欢鐨勬暩(sh霉)閲忋��
銆�銆�瑭� DAC 鎻愪緵鍏╃ó宸ヤ綔妯″紡锛氱珐娌栧弮鑰冩ā寮忓拰鐩撮�氭ā寮�銆傚湪绶╂矕鍙冭�冩ā寮忎笅锛屽収閮ㄧ珐娌栧櫒鏈冪┅(w臎n)瀹氬閮ㄥ弮鑰冮浕澹擄紱鑰屽湪鐩撮�氭ā寮忎笅锛屽閮ㄥ弮鑰冮浕澹撳皣鐩存帴鍌抽仦鑷� DAC 鐨勬牳蹇冮儴鍒�銆侱AC7728 浣跨敤 I2C 鍏煎鐨勪覆琛屾帴鍙ｉ�茶閫氫俊锛屾敮鎸侀珮閬� 400kHz 鐨勬檪閻橀�熺巼銆�
鍒嗚鲸鐜囷細16浣�
銆�銆�杓稿嚭椤炲瀷锛氶浕澹撹几鍑�
銆�銆�闆绘簮闆诲鑼冨湇锛�2.7V 鑷� 5.5V
銆�銆�鍙冭�冮浕澹撹寖鍦嶏細1.225V 鑷� VDD
銆�銆�I2C 鎺ュ彛鏈�楂橀�熺巼锛�400kHz
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆�銆�灏佽椤炲瀷锛歁SOP-10, QFN-16
銆�銆�闈滄厠(t脿i)闆绘祦锛堝吀鍨嬪�硷級锛�300渭A
DAC7728 鐨勪富瑕佺壒鎬у寘鎷細
銆�銆�1. 楂樼簿搴︼細鍏锋湁 16 浣嶅垎杈ㄧ巼锛岀⒑淇濋珮绮惧害杓稿嚭淇¤櫉銆�
銆�銆�2. 杌屽埌杌岃几鍑猴細鍏х疆鐨勯亱绠楁斁澶у櫒鑳藉鎻愪緵寰炲湴鍒伴浕婧愰浕澹撶殑瀹屾暣杓稿嚭鑼冨湇銆�
銆�銆�3. 澶氱ó宸ヤ綔妯″紡锛氭敮鎸佺珐娌栧弮鑰冩ā寮忓拰鐩撮�氭ā寮�锛屽彲鏍规摎(j霉)鎳夌敤闇�姹傞潏娲婚伕鎿囥��
銆�銆�4. 灏忓瀷灏佽锛氭彁渚� MSOP-10 鍜� QFN-16 灏佽锛岄仼鍚堢┖闁撴湁闄愮殑瑷▓銆�
銆�銆�5. 浣庡姛鑰楋細鍏稿瀷闈滄厠(t脿i)闆绘祦鍍呯偤 300渭A锛岄仼鐢ㄤ簬闆绘睜渚涢浕瑷倷銆�
銆�銆�6. 瀵伐浣滈浕澹撹寖鍦嶏細鏀寔 2.7V 鑷� 5.5V 鐨勯浕婧愰浕澹�锛岄仼鎳夊绋噳鐢ㄥ牬鏅��
銆�銆�7. 闆嗘垚鎬э細娓涘皯灏嶅閮ㄧ祫浠剁殑闇�姹�锛岄檷浣庢暣楂旀柟妗堟垚鏈�銆�
DAC7728 鍙唬娉涙噳鐢ㄤ簬浠ヤ笅闋樺煙锛�
銆�銆�1. 娓│鑸囨脯閲忚ō鍌欙細濡傛暩(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)銆佷究鏀滃紡娓│鍎�鍣ㄧ瓑銆�
銆�銆�2. 宸ユキ(y猫)鑷嫊鍖栵細鐢ㄤ簬鎺у埗鍥炶矾涓殑绮剧⒑淇¤櫉鐢熸垚銆�
銆�銆�3. 閱�(y墨)鐧傞浕瀛愶細渚嬪琛�澹撹▓銆佽绯栧剙绛変究鏀滃紡閱�(y墨)鐧傝ō鍌欍��
銆�銆�4. 娑堣不椤為浕瀛愮敘(ch菐n)鍝侊細闊抽牷瑷倷涓殑闊抽噺鎺у埗銆佹烤娉㈠櫒瑾胯绛夊姛鑳�銆�
銆�銆�5. 閫氫俊瑷倷锛氱敤浜庣敘(ch菐n)鐢熷熀婧栭浕澹撴垨瑾垮埗淇¤櫉銆�
銆�銆�6. 闆绘睜绠＄悊绯荤当(t菕ng)锛氶渶瑕佺簿纰洪浕澹撴帶鍒剁殑鍫存櫙銆�
DAC7718, DAC7724
